Rework the documentation of the "vertex" module
Rework the documentation of the "vertex" module

bvssvni/glium,rozaliev/glium,binsoftware/glium,caldwell/glium,nicokoch/glium,christopheraugustus/glium,sdotz/glium,carbidegames/glium,cpjreynolds/glium,tomaka/glium,acolley/glium,glium/glium,TyOverby/glium